Transformers Material used for construction of transformer core is usually Wood Silicon steel Aluminium Copper Wood Silicon steel Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Transformers When a 6 V battery is connected across the primary of a transformer with a turns ratio of 8, the secondary voltage is 0 V 48 V 6 V 0.75 V 0 V 48 V 6 V 0.75 V ANSWER DOWNLOAD EXAMIANS APP
Transformers A shell-type transformer has None of these reduced magnetic leakage high eddy current losses negligibly hysteresis losses None of these reduced magnetic leakage high eddy current losses negligibly hysteresis losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Horn gaps Conservator Thermal overload relays Breather Horn gaps Conservator Thermal overload relays Breather ANSWER DOWNLOAD EXAMIANS APP
Transformers No-load on a transformer is carried out to determine efficiency of the transformer copper loss magnetising current magnetising current and loss efficiency of the transformer copper loss magnetising current magnetising current and loss ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum efficiency of a distribution transformer is at 50% full load at full load at 80% full load at no load at 50% full load at full load at 80% full load at no load ANSWER DOWNLOAD EXAMIANS APP
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